Usher and Shakira
Michael Loccisano/Getty; Ian Gavan/Getty
09/18/2012 at 09:00 AM EDT
Season 3 of The Voice
has just begun
, but the coaches are already playing musical chairs for season four.
and Cee Lo Green
will take next season off and be replaced by Usher
, NBC announced
Tuesday. Adam Levine
and Blake Shelton
are staying, at least through next season.
Both Aguilera and Green will take a hiatus to work on other projects – she will be touring to promote her new album, Lotus
, while he'll be working on new music and a scripted comedy about his life.
Both vow to return to the show eventually. "By pursuing my first passion of music during the break, I am also able to come back and offer even more to my team on The Voice
in the future," Aguilera said in a statement.
"I will return for season five and will be watching season four," said Green.
"We are thrilled to welcome Usher and Shakira to The Voice
," Robert Greenblatt, the chairman of NBC Entertainment, said in statement. "Doing two back-to-back cycles of this show requires a tremendous amount of time and we are happy to accommodate the commitments made by Christina and Cee Lo."